Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
070019goodexcellent41excellent
060037lightly pollutedexcellent61excellent
050029goodexcellent51excellent
040031goodexcellent51excellent
030032goodexcellent61excellent
020032goodexcellent51excellent
010031goodexcellent51excellent
000030goodexcellent61excellent
230027goodexcellent51excellent
220021goodexcellent41excellent
210018goodexcellent41excellent
200018goodexcellent31excellent
190013goodexcellent21excellent
18008excellentexcellent21excellent
17008excellentexcellent11excellent
16007excellentexcellent11excellent
15007excellentexcellent21excellent
14009excellentexcellent21excellent
13008excellentexcellent21excellent
120010excellentexcellent21excellent
110016goodexcellent31excellent
100016goodexcellent51excellent
090041lightly pollutedexcellent91excellent
080052lightly pollutedexcellent111excellent